[shell:bash] ubuntu_remove_old_kernel_test

[shell:bash]   ubuntu_remove_old_kernel_test

 

 

 

 

一、基本信息

 

　　1、　　os:　　Linux ubuntu 6.5.0-35-generic #35-Ubuntu SMP PREEMPT_DYNAMIC Fri Apr 26 11:23:57 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux

 

　　2、　　bash:　　GNU bash, version 5.2.15(1)-release (x86_64-pc-linux-gnu)

 

 

 

 

二、脚本内容：ubuntu_remove_old_kernel_test

[wit@ubuntu:bash]$ cat  ubuntu_remove_old_kernel_test 
#/usr/bin/bash




echo -e "\n\n" 
echo "    [bash]#  list using kernel "
echo -e "\n"
sudo uname -a




echo -e "\n\n" 
for num in 25 27 28
do

        linux_header="linux-headers-6.5.0-${num}"
        linux_header_generic="linux-headers-6.5.0-${num}-generic"
        linux_image="linux-image-6.5.0-${num}-generic"
        linux_mod="linux-modules-6.5.0-${num}-generic"
        linux_mod_ex="linux-modules-extra-6.5.0-${num}-generic"


        echo -e "\n\n\n" 
        echo "    [bash]#  remove:  ${linux_header}"
        echo 
        sudo apt purge -y ${linux_header}

        echo -e "\n\n\n" 
        echo "    [bash]#  remove:  ${linux_header_generic}"
        echo 
        sudo apt purge -y ${linux_header_generic}

        echo -e "\n\n\n" 
        echo "    [bash]#  remove:  ${linux_image}"
        echo 
        sudo apt purge -y ${linux_image}

        echo -e "\n\n\n" 
        echo "    [bash]#  remove:  ${linux_mod}"
        echo
        sudo apt purge -y ${linux_mod}

        echo -e "\n\n\n" 
        echo "    [bash]#  remove:  ${linux_mod_ex}"
        echo
        sudo apt purge -y ${linux_mod_ex}

done




echo -e "\n\n\n" 
echo "    [bash]#  list remain kernel files"
echo
dpkg  --get-selections | grep linux




echo -e "\n\n\n" 
echo "    [bash]#   update--grub2"
echo
sudo update-grub2




echo -e "\n\n\n" 
echo "    [bash]#  list using kernel "
echo
sudo uname -a




echo -e "\n\n\n"




[wit@ubuntu:bash]$ 

 

 

 

 

三、参考资料：

 

　　1、　　Shell教程|菜鸟教程　　--　　https://www.runoob.com/linux/linux-shell.html